18 files changed, 51 insertions, 37 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0ca63e7ce0a7..a4c62c72aa89 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1050,14 +1050,28 @@ choice
         prompt "CPU type"
         default CPU_R4X00
 
-config CPU_MIPS32
-        bool "MIPS32"
+config CPU_MIPS32_R1
+        bool "MIPS32 Release 1"
         select CPU_SUPPORTS_32BIT_KERNEL
+        select CPU_HAS_PREFETCH
+        help
+          Choose this option to build a kernel for release 1 or later of the
+          MIPS32 architecture.  Most modern embedded systems with a 32-bit
+          MIPS processor are based on a MIPS32 processor.  If you know the
+          specific type of processor in your system, choose those that one
+          otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
 
-config CPU_MIPS64
-        bool "MIPS64"
+config CPU_MIPS64_R1
+        bool "MIPS64 Release 1"
         select CPU_SUPPORTS_32BIT_KERNEL
         select CPU_SUPPORTS_64BIT_KERNEL
+        select CPU_HAS_PREFETCH
+        help
+          Choose this option to build a kernel for release 1 or later of the
+          MIPS64 architecture.  Many modern embedded systems with a 64-bit
+          MIPS processor are based on a MIPS64 processor.  If you know the
+          specific type of processor in your system, choose those that one
+          otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
 
 config CPU_R3000
         bool "R3000"
@@ -1253,7 +1267,7 @@ config SB1_PASS_2_1_WORKAROUNDS
 
 config 64BIT_PHYS_ADDR
         bool "Support for 64-bit physical address space"
-        depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
+        depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
 
 config CPU_ADVANCED
         bool "Override CPU Options"
@@ -1276,7 +1290,7 @@ config CPU_HAS_LLSC
 
 config CPU_HAS_LLDSCD
         bool "lld/scd Instructions available" if CPU_ADVANCED
-        default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
+        default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
         help
           Say Y here if your CPU has the lld and scd instructions, the 64-bit
           equivalents of ll and sc.  Say Y here for better performance, N if
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index bbf902796390..56e1d42a5796 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -182,11 +182,11 @@ cflags-$(CONFIG_CPU_TX49XX)	+= \
                         $(call set_gccflags,r4600,mips3,r4600,mips3,mips2)  \
                         -Wa,--trap
 
-cflags-$(CONFIG_CPU_MIPS32)     += \
+cflags-$(CONFIG_CPU_MIPS32_R1)  += \
                         $(call set_gccflags,mips32,mips32,r4600,mips3,mips2) \
                         -Wa,--trap
 
-cflags-$(CONFIG_CPU_MIPS64)     += \
+cflags-$(CONFIG_CPU_MIPS64_R1)  += \
                         $(call set_gccflags,mips64,mips64,r4600,mips3,mips2) \
                         -Wa,--trap
 
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index d54964d52c83..0867417032f2 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -28,8 +28,8 @@ obj-$(CONFIG_CPU_RM9000)	+= r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_NEVADA)        += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R10000)        += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_SB1)           += r4k_fpu.o r4k_switch.o
-obj-$(CONFIG_CPU_MIPS32)        += r4k_fpu.o r4k_switch.o
-obj-$(CONFIG_CPU_MIPS64)        += r4k_fpu.o r4k_switch.o
+obj-$(CONFIG_CPU_MIPS32_R1)     += r4k_fpu.o r4k_switch.o
+obj-$(CONFIG_CPU_MIPS64_R1)     += r4k_fpu.o r4k_switch.o
 obj-$(CONFIG_CPU_R6000)         += r6000_fpu.o r4k_switch.o
 
 obj-$(CONFIG_SMP)               += smp.o
diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S
index d2afbd19a9c8..27361f44defe 100644
--- a/arch/mips/kernel/r4k_switch.S
+++ b/arch/mips/kernel/r4k_switch.S
@@ -165,7 +165,7 @@ LEAF(_init_fpu)
 1:
 #endif
 
-#ifdef CONFIG_CPU_MIPS32
+#ifdef CONFIG_CPU_MIPS32_R1
         mtc1    t1, $f0
         mtc1    t1, $f1
         mtc1    t1, $f2
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 46636a2fe982..b2fa607eeeb8 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -864,7 +864,7 @@ asmlinkage void cache_parity_error(void)
                reg_val & (1<<22) ? "E0 " : "");
         printk("IDX: 0x%08x\n", reg_val & ((1<<22)-1));
 
-#if defined(CONFIG_CPU_MIPS32) || defined (CONFIG_CPU_MIPS64)
+#if defined(CONFIG_CPU_MIPS32_R1) || defined(CONFIG_CPU_MIPS64_R1)
         if (reg_val & (1<<22))
                 printk("DErrAddr0: 0x%0*lx\n", field, read_c0_derraddr0());
 
diff --git a/arch/mips/lib-32/Makefile b/arch/mips/lib-32/Makefile
index ad285786e74b..8119996736ae 100644
--- a/arch/mips/lib-32/Makefile
+++ b/arch/mips/lib-32/Makefile
@@ -4,8 +4,8 @@
 
 lib-y   += csum_partial.o memset.o watch.o
 
-obj-$(CONFIG_CPU_MIPS32)        += dump_tlb.o
-obj-$(CONFIG_CPU_MIPS64)        += dump_tlb.o
+obj-$(CONFIG_CPU_MIPS32_R1)     += dump_tlb.o
+obj-$(CONFIG_CPU_MIPS64_R1)     += dump_tlb.o
 obj-$(CONFIG_CPU_NEVADA)        += dump_tlb.o
 obj-$(CONFIG_CPU_R10000)        += dump_tlb.o
 obj-$(CONFIG_CPU_R3000)         += r3k_dump_tlb.o
diff --git a/arch/mips/lib-64/Makefile b/arch/mips/lib-64/Makefile
index ad285786e74b..8119996736ae 100644
--- a/arch/mips/lib-64/Makefile
+++ b/arch/mips/lib-64/Makefile
@@ -4,8 +4,8 @@
 
 lib-y   += csum_partial.o memset.o watch.o
 
-obj-$(CONFIG_CPU_MIPS32)        += dump_tlb.o
-obj-$(CONFIG_CPU_MIPS64)        += dump_tlb.o
+obj-$(CONFIG_CPU_MIPS32_R1)     += dump_tlb.o
+obj-$(CONFIG_CPU_MIPS64_R1)     += dump_tlb.o
 obj-$(CONFIG_CPU_NEVADA)        += dump_tlb.o
 obj-$(CONFIG_CPU_R10000)        += dump_tlb.o
 obj-$(CONFIG_CPU_R3000)         += r3k_dump_tlb.o
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index b56a0abdc3d4..74fea868af33 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -9,8 +9,8 @@ obj-$(CONFIG_32BIT)		+= ioremap.o pgtable-32.o
 obj-$(CONFIG_64BIT)             += pgtable-64.o
 obj-$(CONFIG_HIGHMEM)           += highmem.o
 
-obj-$(CONFIG_CPU_MIPS32)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
-obj-$(CONFIG_CPU_MIPS64)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_MIPS32_R1)     += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
+obj-$(CONFIG_CPU_MIPS64_R1)     += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
 obj-$(CONFIG_CPU_NEVADA)        += c-r4k.o cex-gen.o pg-r4k.o tlb-r4k.o
 obj-$(CONFIG_CPU_R10000)        += c-r4k.o cex-gen.o pg-r4k.o tlb-andes.o
 obj-$(CONFIG_CPU_R3000)         += c-r3k.o tlb-r3k.o pg-r4k.o
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index eaecb8631973..172293b58390 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -118,8 +118,8 @@ void __init cpu_cache_init(void)
 #if defined(CONFIG_CPU_R4X00)  || defined(CONFIG_CPU_VR41XX) || \
     defined(CONFIG_CPU_R4300)  || defined(CONFIG_CPU_R5000)  || \
     defined(CONFIG_CPU_NEVADA) || defined(CONFIG_CPU_R5432)  || \
-    defined(CONFIG_CPU_R5500)  || defined(CONFIG_CPU_MIPS32) || \
-    defined(CONFIG_CPU_MIPS64) || defined(CONFIG_CPU_TX49XX) || \
+    defined(CONFIG_CPU_R5500)  || defined(CONFIG_CPU_MIPS32_R1) || \
+    defined(CONFIG_CPU_MIPS64_R1) || defined(CONFIG_CPU_TX49XX) || \
     defined(CONFIG_CPU_RM7000) || defined(CONFIG_CPU_RM9000)
                 ld_mmu_r4xx0();
 #endif
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 316c8a3d6b53..8297970f0bb1 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -263,7 +263,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
         idx = read_c0_index();
         ptep = pte_offset_map(pmdp, address);
 
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
         write_c0_entrylo0(ptep->pte_high);
         ptep++;
         write_c0_entrylo1(ptep->pte_high);
diff --git a/arch/mips/mm/tlb-sb1.c b/arch/mips/mm/tlb-sb1.c
index bba7130e7547..f55fbbe473a5 100644
--- a/arch/mips/mm/tlb-sb1.c
+++ b/arch/mips/mm/tlb-sb1.c
@@ -320,7 +320,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
         idx = read_c0_index();
         ptep = pte_offset_map(pmdp, address);
 
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
         write_c0_entrylo0(ptep->pte_high);
         ptep++;
         write_c0_entrylo1(ptep->pte_high);
diff --git a/arch/mips/oprofile/Makefile b/arch/mips/oprofile/Makefile
index 354261d37d62..17b411b22063 100644
--- a/arch/mips/oprofile/Makefile
+++ b/arch/mips/oprofile/Makefile
@@ -10,6 +10,6 @@ DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
 
 oprofile-y                              := $(DRIVER_OBJS) common.o
 
-oprofile-$(CONFIG_CPU_MIPS32)           += op_model_mipsxx.o
-oprofile-$(CONFIG_CPU_MIPS64)           += op_model_mipsxx.o
+oprofile-$(CONFIG_CPU_MIPS32_R1)                += op_model_mipsxx.o
+oprofile-$(CONFIG_CPU_MIPS64_R1)                += op_model_mipsxx.o
 oprofile-$(CONFIG_CPU_RM9000)           += op_model_rm9000.o
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h
index c806eef41e7f..a54cdd417956 100644
--- a/include/asm-mips/addrspace.h
+++ b/include/asm-mips/addrspace.h
@@ -131,7 +131,7 @@
     || defined (CONFIG_CPU_R5000)                                       \
     || defined (CONFIG_CPU_NEVADA)                                      \
     || defined (CONFIG_CPU_TX49XX)                                      \
-    || defined (CONFIG_CPU_MIPS64)
+    || defined (CONFIG_CPU_MIPS64_R1)
 #define KUSIZE          _LLCONST_(0x0000010000000000)   /* 2^^40 */
 #define KUSIZE_64       _LLCONST_(0x0000010000000000)   /* 2^^40 */
 #define K0SIZE          _LLCONST_(0x0000001000000000)   /* 2^^36 */
diff --git a/include/asm-mips/mach-mips/cpu-feature-overrides.h b/include/asm-mips/mach-mips/cpu-feature-overrides.h
index 6f51be571bf0..7a1189fdf1aa 100644
--- a/include/asm-mips/mach-mips/cpu-feature-overrides.h
+++ b/include/asm-mips/mach-mips/cpu-feature-overrides.h
@@ -14,7 +14,7 @@
 /*
  * CPU feature overrides for MIPS boards
  */
-#ifdef CONFIG_CPU_MIPS32
+#ifdef CONFIG_CPU_MIPS32_R1
 #define cpu_has_tlb             1
 #define cpu_has_4kex            1
 #define cpu_has_4ktlb           1
@@ -39,7 +39,7 @@
 /* #define cpu_has_subset_pcaches ? */
 #endif
 
-#ifdef CONFIG_CPU_MIPS64
+#ifdef CONFIG_CPU_MIPS64_R1
 #define cpu_has_tlb             1
 #define cpu_has_4kex            1
 #define cpu_has_4ktlb           1
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index ee25a779bf49..0076a537cf0c 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -76,7 +76,7 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
  * These are used to make use of C type-checking..
  */
 #ifdef CONFIG_64BIT_PHYS_ADDR
-  #ifdef CONFIG_CPU_MIPS32
+  #ifdef CONFIG_CPU_MIPS32_R1
     typedef struct { unsigned long pte_low, pte_high; } pte_t;
     #define pte_val(x)    ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
   #else
diff --git a/include/asm-mips/pgtable-32.h b/include/asm-mips/pgtable-32.h
index 9b4d39d9f2f0..217afc375a84 100644
--- a/include/asm-mips/pgtable-32.h
+++ b/include/asm-mips/pgtable-32.h
@@ -116,7 +116,7 @@ static inline void pmd_clear(pmd_t *pmdp)
         pmd_val(*pmdp) = ((unsigned long) invalid_pte_table);
 }
 
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
 #define pte_page(x)             pfn_to_page(pte_pfn(x))
 #define pte_pfn(x)              ((unsigned long)((x).pte_high >> 6))
 static inline pte_t
@@ -139,7 +139,7 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
 #define pte_pfn(x)              ((unsigned long)((x).pte >> PAGE_SHIFT))
 #define pfn_pte(pfn, prot)      __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
 #endif
-#endif /* defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) */
+#endif /* defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1) */
 
 #define __pgd_offset(address)   pgd_index(address)
 #define __pud_offset(address)   (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
@@ -202,7 +202,7 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
  */
 #define PTE_FILE_MAX_BITS       27
 
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
         /* fixme */
 #define pte_to_pgoff(_pte) (((_pte).pte_high >> 6) + ((_pte).pte_high & 0x3f))
 #define pgoff_to_pte(off) \
diff --git a/include/asm-mips/pgtable-bits.h b/include/asm-mips/pgtable-bits.h
index 3aad751ccd5f..01e76e932e3f 100644
--- a/include/asm-mips/pgtable-bits.h
+++ b/include/asm-mips/pgtable-bits.h
@@ -33,7 +33,7 @@
  * unpredictable things.  The code (when it is written) to deal with
  * this problem will be in the update_mmu_cache() code for the r4k.
  */
-#if defined(CONFIG_CPU_MIPS32) && defined(CONFIG_64BIT_PHYS_ADDR)
+#if defined(CONFIG_CPU_MIPS32_R1) && defined(CONFIG_64BIT_PHYS_ADDR)
 
 #define _PAGE_PRESENT               (1<<6)  /* implemented in software */
 #define _PAGE_READ                  (1<<7)  /* implemented in software */
@@ -123,7 +123,7 @@
 
 #endif
 #endif
-#endif /* defined(CONFIG_CPU_MIPS32) && defined(CONFIG_64BIT_PHYS_ADDR) */
+#endif /* defined(CONFIG_CPU_MIPS32_R1) && defined(CONFIG_64BIT_PHYS_ADDR) */
 
 #define __READABLE      (_PAGE_READ | _PAGE_SILENT_READ | _PAGE_ACCESSED)
 #define __WRITEABLE     (_PAGE_WRITE | _PAGE_SILENT_WRITE | _PAGE_MODIFIED)
@@ -140,7 +140,7 @@
 #define PAGE_CACHABLE_DEFAULT   _CACHE_CACHABLE_COW
 #endif
 
-#if defined(CONFIG_CPU_MIPS32) && defined(CONFIG_64BIT_PHYS_ADDR)
+#if defined(CONFIG_CPU_MIPS32_R1) && defined(CONFIG_64BIT_PHYS_ADDR)
 #define CONF_CM_DEFAULT         (PAGE_CACHABLE_DEFAULT >> 3)
 #else
 #define CONF_CM_DEFAULT         (PAGE_CACHABLE_DEFAULT >> 9)
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
index 754ec6c5a8f7..9f75baf11e25 100644
--- a/include/asm-mips/pgtable.h
+++ b/include/asm-mips/pgtable.h
@@ -82,7 +82,7 @@ extern void paging_init(void);
 #define pte_none(pte)           (!(pte_val(pte) & ~_PAGE_GLOBAL))
 #define pte_present(pte)        (pte_val(pte) & _PAGE_PRESENT)
 
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
 static inline void set_pte(pte_t *ptep, pte_t pte)
 {
         ptep->pte_high = pte.pte_high;
@@ -170,7 +170,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
  * Undefined behaviour if not..
  */
 static inline int pte_user(pte_t pte)   { BUG(); return 0; }
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
 static inline int pte_read(pte_t pte)   { return (pte).pte_low & _PAGE_READ; }
 static inline int pte_write(pte_t pte)  { return (pte).pte_low & _PAGE_WRITE; }
 static inline int pte_dirty(pte_t pte)  { return (pte).pte_low & _PAGE_MODIFIED; }
@@ -329,7 +329,7 @@ static inline pgprot_t pgprot_noncached(pgprot_t _prot)
  */
 #define mk_pte(page, pgprot)    pfn_pte(page_to_pfn(page), (pgprot))
 
-#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32)
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1)
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
         pte.pte_low &= _PAGE_CHG_MASK;